SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory

The following table presents the detail of our Inventories on the Statements of Unaudited Condensed Consolidated Financial Position:

(In millions)	March 31, 2026		December 31, 2025
Product inventories
Finished and semi-finished goods	$	2,379	$	2,401
Raw materials	1,692		1,848
Total product inventories	4,071		4,249
Manufacturing supplies and critical spares	520		523
Inventories	$	4,591	$	4,772

Schedule of Restructuring Reserve by Type of Cost

The following table represents a reconciliation of our accrued liabilities related to the discontinuation of certain product lines resulting from the indefinite idling of our Steelton rail production facility and Weirton tinplate production facility:

(In millions)	Employee-Related Costs		Exit Costs		Total
Balance as of December 31, 2025	$	70	$	8	$	78
Cash payments	(13)		(1)		(14)
Balance as of March 31, 2026	$	57	$	7	$	64

Schedule of Supplemental Cash Flow Information

A reconciliation of capital additions to cash paid for capital expenditures is as follows:

	Three Months Ended March 31,
(In millions)	2026		2025
Capital additions	$	126	$	129
Less:
Non-cash accruals	(37)		(68)
Equipment financed with seller	5		16
Right-of-use assets - finance leases	6		29
Cash paid for capital expenditures including deposits	$	152	$	152

Cash payments (receipts) for income taxes and interest are as follows:

	Three Months Ended March 31,
(In millions)	2026		2025
Income taxes paid	$	1	$	1
Income tax refunds	(4)		(5)
Interest paid on debt obligations net of capitalized interest1	138		77
1 Capitalized interest was $4 million for both the three months ended March 31, 2026 and 2025.